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13103203331 = 151585114831
BaseRepresentation
bin11000011010000001…
…10000010000000011
31020211011222200211002
430031000300100003
5203313410001311
610004115042215
7642465250661
oct141500602003
936734880732
1013103203331
115614464669
1226582a036b
13130a89756a
148c4351c31
1551a53a93b
hex30d030403

13103203331 has 8 divisors (see below), whose sum is σ = 13193123328. Its totient is φ = 13013325000.

The previous prime is 13103203297. The next prime is 13103203361. The reversal of 13103203331 is 13330230131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13103203331 is a prime.

It is a super-2 number, since 2×131032033312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103203361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876086 + ... + 890916.

It is an arithmetic number, because the mean of its divisors is an integer number (1649140416).

Almost surely, 213103203331 is an apocalyptic number.

13103203331 is a deficient number, since it is larger than the sum of its proper divisors (89919997).

13103203331 is a wasteful number, since it uses less digits than its factorization.

13103203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13103203331 its reverse (13330230131), we get a palindrome (26433433462).

The spelling of 13103203331 in words is "thirteen billion, one hundred three million, two hundred three thousand, three hundred thirty-one".

Divisors: 1 151 5851 14831 883501 2239481 86776181 13103203331